Consider the sequence a_n = frac{n cos(npi)}{2n - 1}. Write the first five terms of a_n, and find lim_{n o infty} a_n. If the sequence diverges, enter "divergent" in the answer box for its limit. a) First five terms: b) lim_{n o infty} a_n =
Added by Ronald S.
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We can do this by plugging in n = 1, 2, 3, 4, and 5 into the formula given: a1 = cos(1*1) * Z1 - 1 = cos(1) * Z1 - 1 a2 = cos(2*2) * Z2 - 1 = cos(4) * Z2 - 1 a3 = cos(3*3) * Z3 - 1 = cos(9) * Z3 - 1 a4 = cos(4*4) * Z4 - 1 = cos(16) * Z4 - 1 a5 = cos(5*5) * Z5 - 1 Show more…
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